From bf3ef4de56a3fef9a98cbfd3fd82515b32b9d3ca Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Mon, 15 Apr 2024 14:55:32 -0700
Subject: [PATCH] Improved safety check [skip ci]

---
 src/sparsevec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sparsevec.c b/src/sparsevec.c
index 6c1949f..b0c0055 100644
--- a/src/sparsevec.c
+++ b/src/sparsevec.c
@@ -579,7 +579,7 @@ vector_to_sparsevec(PG_FUNCTION_ARGS)
 		if (vec->x[i] != 0)
 		{
 			/* Safety check */
-			if (j == nnz)
+			if (j >= result->nnz)
 				elog(ERROR, "safety check failed");
 
 			result->indices[j] = i + 1;